The Stainless Steel Heat Treat Foil, 24" x 24" piece, is designed to let you heat‑treat tool steels without needing an atmosphere‑controlled furnace, preventing scale formation and eliminating hours of post‑treatment cleanup. By sealing the part inside the foil, you maintain critical dimensions and avoid tolerance loss during heating. Simply clean the part, protect sharp corners with brown wrapping paper, wrap it tightly in the foil, and double‑fold the edges to create a sealed envelope—many users press the seams with a wallpaper seam roller for a tight closure. Heat‑treat as normal, then open the foil to remove the part for air cooling or quenching. Don't forget - Gloves are essential, as the foil edges are extremely sharp.

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